Police are all ears when it comes to sound cannons
Friday, December 2, 2011 - 01:31
in Mathematics & Economics
Law enforcement agencies are adding sound cannons — officially known as Long Range Acoustical Devices — to their arsenals of nonlethal weapons.Sound has long been used as a weapon. The Germans put sirens on Stuka dive bombers in World War II to amplify the terror to unlucky souls below. Jamaican maroons — fugitive slaves — used the abeng horn to unnerve British colonial soldiers.